当巨噬细胞吞噬吸入的尘埃颗粒后，则称尘细胞。(    )
正确
错误

A．Dexter's business manufactures a product under licence. In 12 months' time the licence expires and Dexter will have to pay $50,000 for it to be renewed.
B．Reckless purchased an investment 9 months ago for 90,000.
C．Carter has estimated the tax charge on its profits for the year just ended as $165,000.
D．Expansion is planning to invest in new machinery and has been quoted a price of $570,000.